Patents by Inventor Dirk V. Clarksen

Dirk V. Clarksen has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Portable contaminant sampling system
    Patent number: 7100461
    Abstract: The invention is a portable sampling system for sampling various media for contaminants. The media sample can include gases, liquids, and dry powders. The contaminant sample can include gaseous components, particulates of various kinds, and microorganisms. The system can be used to sample the surfaces of fruits and vegetables, meat carcasses, the interior of envelopes of other containers, gases in rooms or containers, and surfaces such as countertops, a vehicle exterior, skin, and clothing.
    Type: Grant
    Filed: February 27, 2003
    Date of Patent: September 5, 2006
    Assignee: Microbial-Vac Systems, Inc.
    Inventors: Bruce J. Bradley, Dirk V. Clarksen
  • Portable contaminant sampling system
    Publication number: 20040107782
    Abstract: The invention is a portable sampling system for sampling various media for contaminants. The media sample can include gases, liquids, and dry powders. The contaminant sample can include gaseous components, particulates of various kinds, and microorganisms. The system can be used to sample the surfaces of fruits and vegetables, meat carcasses, the interior of envelopes of other containers, gases in rooms or containers, and surfaces such as countertops, a vehicle exterior, skin, and clothing.
    Type: Application
    Filed: February 27, 2003
    Publication date: June 10, 2004
    Applicant: Microbial-Vac Systems, Inc.
    Inventors: Bruce J. Bradley, Dirk V. Clarksen
  • Portable contaminant sampling system
    Patent number: RE41319
    Abstract: The invention is a portable sampling system for sampling various media for contaminants. The media sample can include gases, liquids, and dry powders. The contaminant sample can include gaseous components, particulates of various kinds, and microorganisms. The system can be used to sample the surfaces of fruits and vegetables, meat carcasses, the interior of envelopes of other containers, gases in rooms or containers, and surfaces such as countertops, a vehicle exterior, skin, and clothing.
    Type: Grant
    Filed: December 12, 2007
    Date of Patent: May 11, 2010
    Inventors: Bruce J. Bradley, Dirk V. Clarksen